body{
  margin :auto;
}
/*logo区域
****************/
header{
  width :100%;
  margin :auto;
  padding:auto;
}
header b{
  color: #1abc9c;
}
h1{
  width :98px;
  float :left;
  margin:0;
}
.text{
  float:left;
  line-height: 3.5;
  font-size: 12px;
  color: #bdc3c7;
}
.logo{
  float: left;
  width: 60%;
}
header{
  padding:0.5%;
  height:80px;
  border-top: 4px solid #000;
}
header nav{
  float: left;
  width: 40%;
}
header nav ul{
  list-style: none;
}
header nav ul li{
  float: left;
  width: 20%;
  font-size: 14px;
  text-align:center;
  padding: 5px;
}
.active{
border-radius: 2px;
background: #1abc9c;
}
.active a{
  color : #fff;
}
nav a{
  coor: #bdc3c7;
  border: 0;
  text-decoration: none;
}
.content{
  width: 960px;
  margin: auto;
}
.arctile{
  margin-top:10px;
  backgrond:#34495e;
  height: 80px;
}
